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Spot prices at Otahuhu spiked at $616 yesterday. Wind generation averaged 278 MW. 

Average prices increased by 21.4% at Benmore, increased by 21.6% at Islington, increased by 22.9% at Haywards and increased by 23.8% at Otahuhu over the last week. Total Storage decreased to 1,839 GWh.

Prices yesterday averaged $344 at Benmore, $351 at Haywards, and $359 at Otahuhu. Wind generation averaged 82 MW.

Total storage decreased 93.4 GWh over the last week. South Island controlled storage decreased 5.1% to 1,408 GWh; South Island uncontrolled storage decreased 2.9% to 207 GWh; with Taupo storage decreasing 8% to 131 GWh.

Average prices decreased by 29.3% at Benmore, decreased by 29.8% at Islington, decreased by 31.8% at Haywards and decreased by 32.6% at Otahuhu over the last week. Total Storage decreased to 1839 GWh. NI storage decreased by 6 %  to 142 GWh while SI storage decreased by 8% to 1697 GWh.

Total storage decreased 149.5 GWh over the last week. South Island controlled storage decreased 6.4% to 1,484 GWh; South Island uncontrolled storage decreased 15.5% to 213 GWh; with Taupo storage decreasing 5.7% to 142 GWh.

Spot price averages exceeded $310/MWh yesterday. Wind generation averaged 72 MW.  

Spot price averages at Benmore were $274 on Friday, $288 on Saturday, and $234 on Sunday. 

What’s behind the high spot prices? We take a more detailed look at who is setting prices, when and why.

Total storage decreased 206.2 GWh over the last week. South Island controlled storage decreased 6.2% to 1,586 GWh; South Island uncontrolled storage decreased 18.2% to 252 GWh; with Taupo storage decreasing 23.1% to 151 GWh.

Spot price averages at Benmore were $267 on Monday and $403 yesterday. Wind generation averaged 76 MW on Monday and 26 MW on Tuesday.

Average prices increased by 40% at Benmore, increased by 39.1% at Islington, increased by 40.3% at Haywards and increased by 39.7% at Otahuhu over the last week. Total Storage decreased to 2,195 GWh. NI storage decreased by 9 %  to 196 GWh while SI storage decreased by 1% to 1,999 GWh.

There were no FPVV contracts traded over the last month, so the FPVV index goes sideways this month, i.e. it defaults to last month's value of 10.2 c/kWh. Strong CFD growth has brought the main index up to 12 c/kWh. 

 Total storage decreased 39.2 GWh over the last week. South Island controlled storage decreased 2.1% to 1690 GWh; South Island uncontrolled storage increased 6% to 309 GWh; with Taupo storage decreasing 9.4% to 196 GWh. 

Prices yesterday averaged $150 at Benmore and Otahuhu, with $151 at Haywards. Wind generation averaged 351 MW. 

Average prices decreased by 28.7% at Benmore, decreased by 28.7% at Islington, decreased by 27.7% at Haywards and decreased by 25.5% at Otahuhu over the last week.  Total Storage increased to 2,234 GWh. NI storage decreased by 12 %  to 217 GWh while SI storage increased by 4% to 2,018 GWh.

If you have some small-scale generation, how do you sell its generation output? This post briefly describes some common scenarios.

Total storage increased 55.4 GWh over the last week. South Island controlled storage increased 0.9% to 1,726 GWh; South Island uncontrolled storage increased 31.1% to 291 GWh; with Taupo storage decreasing 11.8% to 217 GWh.

Prices yesterday averaged $175 at Benmore, $176 at Haywards, and $169 at Otahuhu. Wind generation averaged 164 MW.